Gold pendant with sea coral

Gold, natural sea coral. Fineness Au 585 / 1000. Total weight 3,15 grams. Round shape. Central domed red natural sea coral set in a round crown, bed. At the bottom a decor of concave circular ornaments with holes. Smooth flat ring at the bottom. Newly marked with valid Czech hallmark. Europe, last century. Height 3 cm, diameter 2,2 cm.